In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

This project compares the strength of one, two, and three-ply toilet paper.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

This science fair project idea explores substances that cause a bubble to last longer.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Have your child kick off their summer vacation by making a miniature water slide!

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.